sbin/ifconfig/af_ipx.c

   1 /*
   2  * Copyright (c) 1983, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 4. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  * $FreeBSD: src/sbin/ifconfig/af_ipx.c,v 1.1 2004/12/08 19:18:07 sam Exp $
  30  * $DragonFly: src/sbin/ifconfig/af_ipx.c,v 1.1 2006/04/02 03:33:59 sephe Exp $
  31  */
  32
  33 #include <sys/types.h>
  34 #include <sys/ioctl.h>
  35 #include <sys/socket.h>
  36 #include <net/if.h>
  37 #include <net/route.h>
  38
  39 #include <err.h>
  40 #include <stdio.h>
  41 #include <stdlib.h>
  42 #include <string.h>
  43
  44 #include <net/if_var.h>
  45 #define IPXIP
  46 #define IPTUNNEL
  47 #include <netipx/ipx.h>
  48 #include <netipx/ipx_if.h>
  49
  50 #include "ifconfig.h"
  51
  52 static struct ifaliasreq ipx_addreq;
  53 static struct ifreq ipx_ridreq;
  54
  55 static void
  56 ipx_status(int s __unused, const struct rt_addrinfo * info)
  57 {
  58         struct sockaddr_ipx *sipx, null_sipx;
  59
  60         sipx = (struct sockaddr_ipx *)info->rti_info[RTAX_IFA];
  61         if (sipx == NULL)
  62                 return;
  63
  64         printf("\tipx %s ", ipx_ntoa(sipx->sipx_addr));
  65
  66         if (flags & IFF_POINTOPOINT) {
  67                 sipx = (struct sockaddr_ipx *)info->rti_info[RTAX_BRD];
  68                 if (!sipx) {
  69                         memset(&null_sipx, 0, sizeof(null_sipx));
  70                         sipx = &null_sipx;
  71                 }
  72                 printf("--> %s ", ipx_ntoa(sipx->sipx_addr));
  73         }
  74         putchar('\n');
  75 }
  76
  77 #define SIPX(x) ((struct sockaddr_ipx *) &(x))
  78 struct sockaddr_ipx *sipxtab[] = {
  79         SIPX(ipx_ridreq.ifr_addr), SIPX(ipx_addreq.ifra_addr),
  80         SIPX(ipx_addreq.ifra_mask), SIPX(ipx_addreq.ifra_broadaddr)
  81 };
  82
  83 static void
  84 ipx_getaddr(const char *addr, int which)
  85 {
  86         struct sockaddr_ipx *sipx = sipxtab[which];
  87
  88         sipx->sipx_family = AF_IPX;
  89         sipx->sipx_len = sizeof(*sipx);
  90         sipx->sipx_addr = ipx_addr(addr);
  91         if (which == MASK)
  92                 printf("Attempt to set IPX netmask will be ineffectual\n");
  93 }
  94
  95 static void
  96 ipx_postproc(int s, const struct afswtch *afp)
  97 {
  98         if (setipdst) {
  99                 struct ipxip_req rq;
 100                 int size = sizeof(rq);
 101
 102                 rq.rq_ipx = ipx_addreq.ifra_addr;
 103                 rq.rq_ip = ipx_addreq.ifra_dstaddr;
 104
 105                 if (setsockopt(s, 0, SO_IPXIP_ROUTE, &rq, size) < 0)
 106                         Perror("Encapsulation Routing");
 107         }
 108 }
 109
 110 static struct afswtch af_ipx = {
 111         .af_name        = "ipx",
 112         .af_af          = AF_IPX,
 113         .af_status      = ipx_status,
 114         .af_getaddr     = ipx_getaddr,
 115         .af_postproc    = ipx_postproc,
 116         .af_difaddr     = SIOCDIFADDR,
 117         .af_aifaddr     = SIOCAIFADDR,
 118         .af_ridreq      = &ipx_ridreq,
 119         .af_addreq      = &ipx_addreq,
 120 };
 121
 122 static __constructor void
 123 ipx_ctor(void)
 124 {
 125         af_register(&af_ipx);
 126 }